chicken coop
n.— «Interestingly, the two Republican senators who voted to override Mr. Pawlenty’s veto not only were not punished, the GOP Senate leadership didn’t even criticize them. I wonder if that’s why some senators sometimes derisively refer to the House as the “chicken coop.”» —“The price of ’sin’ against the party is political death” by Ralph Doty Budgeteer News (Duluth, Minnnesota) Feb. 28, 2008. (source: Double-Tongued Dictionary)